test
node1
PATO:0000025
composition
node20
TO:0000493
leaf composition
trait
node1->node20
node2
TO:0001024
phosphorus content
node1->node2
node21
TO:0020114
shoot system
phosphorus content
node2->node21
node3
TO:0000277
biochemical trait
node4
TO:0000465
mineral and ion
content trait
node3->node4
node4->node2
node5
BFO:0000001
entity
node6
BFO:0000002
continuant
node5->node6
node6->node6
node7
BFO:0000020
specifically
dependent continuant
node6->node7
node12
BFO:0000019
quality
node7->node12
node7->node7
node8
PATO:0000001
quality
node7->node8
node13
PATO:0001241
physical object
quality
node8->node13
node9
PATO:0000141
structure
node9->node1
node10
TO:0000017
plant morphology
trait
node11
TO:0000839
plant structure
morphology trait
node10->node11
node14
TO:0000836
multi-tissue plant
structure morphology
trait
node11->node14
node12->node12
node17
PATO:0000051
morphology
node12->node17
node12->node13
node13->node17
node13->node10
node15
TO:0000736
plant organ
morphology trait
node14->node15
node16
TO:0000747
phyllome morphology
trait
node15->node16
node19
TO:0000748
leaf morphology trait
node16->node19
node17->node9
node18
TO:0000387
plant trait
node18->node10
node18->node3
node19->node20
node22
TO:0001025
leaf phosphorus
content
node20->node22
node21->node22